1266668127 has 12 divisors (see below), whose sum is σ = 1830403744. Its totient is φ = 844089120.

The previous prime is 1266668077. The next prime is 1266668131. The reversal of 1266668127 is 7218666621.

It is not a de Polignac number, because 1266668127 - 2⁷ = 1266667999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266668527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6199 + ... + 50712.

Almost surely, 2^1266668127 is an apocalyptic number.

1266668127 is a deficient number, since it is larger than the sum of its proper divisors (563735617).

1266668127 is a wasteful number, since it uses less digits than its factorization.

1266668127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59390 (or 59387 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1266668127 is about 35590.2813560107. The cubic root of 1266668127 is about 1081.9842713275.

The spelling of 1266668127 in words is "one billion, two hundred sixty-six million, six hundred sixty-eight thousand, one hundred twenty-seven".